Is It Wrong to Become a Brave Man but Fall into the Abyss?

He traveled to another world with his classmates, became a brave man, and dreamed of defeating the Seven Demon Kings together, and finally reached the pinnacle of life. However, he didn't expect that reality slapped him, and he changed his profession and became a useless alchemist. Being despised, being used, and finally falling into the abyss. Unifying the demon world and finally becoming a demon god, it turns out that falling into the abyss is the right way to reach the top of life. "Do you desire power? What is the power you desire?" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.